Standard weekly patch release

[1.3.6] - 2021-06-15

Fixed

• Fixed logs overwriting issue for remote filesystems (#7889)
• Fixed DataModule.prepare_data could only be called on the global rank 0 process (#7945)
• Fixed setting worker_init_fn to seed dataloaders correctly when using DDP (#7942)
• Fixed BaseFinetuning callback to properly handle parent modules w/ parameters (#7931)

Contributors

@awaelchli @Borda @kaushikb11 @Queuecumber @SeanNaren @senarvi @speediedan